h1 {
    text-align: center;
    margin-bottom: 20px;
}

table {
    width: 100%;
    border-collapse: collapse;
    border: 2px solid black;
}

th,
td {
    border: 1px solid #000;
    padding: 8px 10px;
    vertical-align: top;
}

th {
    background-color: #e1f3fc;
    text-align: center;
    vertical-align: middle;
    width: 120px;
}

.course-list {
    white-space: normal;
}